Guides
HS & HTS code guides
Plain-English answers, each opening with the direct answer. Concept guides explain the system; platform guides show where to put codes on the marketplace you sell on.
Concepts
- HS Code vs HTS Code: The Difference ExplainedAn HS code is the 6-digit global product number; an HTS code is the 10-digit US version built on top of it. Here is exactly where they diverge.
- What Is an HS Code in Shipping?An HS code in shipping is the 6-digit Harmonized System number that tells customs what your product is, so they can assess duty and clear the shipment.
- How to Find the HS Code for Your ProductTo find your HS code, identify the product's material and function, match it to a 6-digit subheading, then extend it to the 10-digit US HTS code. Here is the step-by-step.
- HTS Code Structure: How to Read the 10 DigitsA 10-digit HTS code reads as chapter, heading, subheading (the 6-digit HS root), then a US tariff line and a statistical suffix. Here is each pair explained.
- How to Check if Your Product Is on a Section 301 ListTo check Section 301, find your product's 8-digit HTS code, then look it up against the USTR List 1–4 annexes. Here is how the lists and rates work.
- HS Code Book PDF: Free Chapter-by-Chapter DownloadDownload a free HS/HTS code book as a PDF, one chapter at a time, generated from the live tariff dataset with codes and descriptions.
For marketplace sellers
- HS Tariff Code for eBay Sellers: Where to Find It and What to EnterOn eBay, the HS tariff code is the product's Harmonized System number you enter in the listing's shipping/customs fields so cross-border buyers get accurate duties. Here is what to enter.
- HS Codes for Shopify: Setting Up Harmonized Codes for International ShippingIn Shopify, add the Harmonized System code and country of origin to each product or variant so Shopify can calculate duties and taxes at checkout for international orders.
- HTS Codes for Amazon FBA SellersAmazon FBA sellers importing into the US need the 10-digit HTS code to clear customs, pay the correct duty, and complete the commercial invoice. Here is what to know.
Ready to classify? Find a code by product or batch-upload a spreadsheet.